gdb/gdb-bz606185-obstack-3of5.patch

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2010-07-11 18:06:33 +00:00
commit 407cb192dcac2602aebaa7e262419adb580ecca6
Author: cmoller <cmoller>
Date: Thu Apr 22 20:12:06 2010 +0000
* cp-valprint.c (cp_print_value_fields): Replaced obstack_base()
method of popping recursion-detection stack with a method based on
obstack_object_size(). (Similar to the PR9167 patch below, but for
the static array obstack rather than the static member obstack.)
### a/gdb/ChangeLog
### b/gdb/ChangeLog
## -1,3 +1,10 @@
+2010-04-22 Chris Moller <cmoller@redhat.com>
+
+ * cp-valprint.c (cp_print_value_fields): Replaced obstack_base()
+ method of popping recursion-detection stack with a method based on
+ obstack_object_size(). (Similar to the PR9167 patch below, but for
+ the static array obstack rather than the static member obstack.)
+
2010-04-22 H.J. Lu <hongjiu.lu@intel.com>
* amd64-linux-nat.c (amd64_linux_gregset64_reg_offset): Removed.
--- a/gdb/cp-valprint.c
+++ b/gdb/cp-valprint.c
@@ -186,18 +186,18 @@ cp_print_value_fields (struct type *type, struct type *real_type,
fprintf_filtered (stream, "<No data fields>");
else
{
- int obstack_initial_size = 0;
- void *stat_array_obstack_top = NULL;
+ int statmem_obstack_initial_size = 0;
+ int stat_array_obstack_initial_size = 0;
if (dont_print_statmem == 0)
{
- obstack_initial_size =
+ statmem_obstack_initial_size =
obstack_object_size (&dont_print_statmem_obstack);
if (last_set_recurse != recurse)
{
- stat_array_obstack_top
- = obstack_next_free (&dont_print_stat_array_obstack);
+ stat_array_obstack_initial_size =
+ obstack_object_size (&dont_print_stat_array_obstack);
last_set_recurse = recurse;
}
}
@@ -323,12 +323,12 @@ cp_print_value_fields (struct type *type, struct type *real_type,
int obstack_final_size =
obstack_object_size (&dont_print_statmem_obstack);
- if (obstack_final_size > obstack_initial_size) {
+ if (obstack_final_size > statmem_obstack_initial_size) {
/* In effect, a pop of the printed-statics stack. */
void *free_to_ptr =
obstack_next_free (&dont_print_statmem_obstack) -
- (obstack_final_size - obstack_initial_size);
+ (obstack_final_size - statmem_obstack_initial_size);
obstack_free (&dont_print_statmem_obstack,
free_to_ptr);
@@ -336,9 +336,18 @@ cp_print_value_fields (struct type *type, struct type *real_type,
if (last_set_recurse != recurse)
{
- if (obstack_object_size (&dont_print_stat_array_obstack) > 0)
- obstack_free (&dont_print_stat_array_obstack,
- stat_array_obstack_top);
+ int obstack_final_size =
+ obstack_object_size (&dont_print_stat_array_obstack);
+
+ if (obstack_final_size > stat_array_obstack_initial_size)
+ {
+ void *free_to_ptr =
+ obstack_next_free (&dont_print_stat_array_obstack) -
+ (obstack_final_size - stat_array_obstack_initial_size);
+
+ obstack_free (&dont_print_stat_array_obstack,
+ free_to_ptr);
+ }
last_set_recurse = -1;
}
}